Today's Cycad Species Not as Ancient as Believed (3 of 3) (IMAGE)

American Association for the Advancement of Science (AAAS)

Today's Cycad Species Not as Ancient as Believed (3 of 3)

Caption

Macrozamia johnsonii leaf. This particular plant is growing in the Royal Botanic Garden, Sydney. Photograph by Nathalie Nagalingum. This image relates to a paper that appeared in the Oct. 20, 2011, issue of Science Express, published by AAAS. The paper, by Dr. Nathalie Nagalingum of Arnold Arboretum of Harvard University in Cambridge, Mass., and colleagues, was titled, "Recent Synchronous Radiation of a Living Fossil."

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